On 08/10/2017 10:33 AM, Hans Verkuil wrote: > From: Hans Verkuil <hans.verkuil@xxxxxxxxx> > > Document the bindings for the cec-gpio module for hardware where the > CEC pin is connected to a GPIO pin. No need to review this, there will be a v3 that will add a second optional HPD gpio. Regards, Hans > > Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> > --- > Documentation/devicetree/bindings/media/cec-gpio.txt | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/cec-gpio.txt > > diff --git a/Documentation/devicetree/bindings/media/cec-gpio.txt b/Documentation/devicetree/bindings/media/cec-gpio.txt > new file mode 100644 > index 000000000000..e34a175468e2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/cec-gpio.txt > @@ -0,0 +1,16 @@ > +* HDMI CEC GPIO-based hardware > + > +Use these bindings for HDMI CEC hardware where the CEC pin is hooked up > +to a pull-up GPIO pin. > + > +Required properties: > + - compatible: value must be "cec-gpio" > + - gpio: gpio that the CEC line is connected to > + > +Example for the Raspberry Pi 3 where the CEC line is connected to > +pin 7 aka BCM4 aka GPCLK0 on the GPIO pin header: > + > +cec-gpio { > + compatible = "cec-gpio"; > + gpio = <&gpio 4 GPIO_ACTIVE_HIGH>; > +}; > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html